<template>
  <li>
    <label>
      <input type="checkbox" :checked="todo.done" @click="handleCheck(todo.id)"/>
<!--      如下代码也能实现功能，但是不太推荐，因为违反了原则，应该了props-->
<!--      <input type="checkbox" v-model="todo.done"/>-->
      <span>{{todo.title}}</span>
    </label>
    <button class="btn btn-danger" @click="handleDel(todo.id)">删除</button>
  </li>
</template>

<script>
export default {
  name: "TodosItem",
  data() {
    return {

    }
  },
  props: ['todo', 'checkTodo', 'deleteTodo'],
  methods: {
    handleCheck(todoId) {
      this.checkTodo(todoId);
    },
    handleDel(todoId) {
      //通知App组件删除一条代办事项
      console.log('handleDel', todoId);
      if (confirm("Are you sure?")) {
        this.deleteTodo(todoId);
      }
    }
  }
}
</script>

<style>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}

.btn {
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

li:hover button {
  display: block;
}

</style>